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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <qfile.h>
#include "config.h"
#include <klocale.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <torrent/globals.h>
#include "file.h"
#include "error.h"
#include "log.h"
namespace bt
{
File::File() : fptr(0)
{}
File::~File()
{
close();
}
bool File::open(const QString & file,const QString & mode)
{
this->file = file;
if (fptr)
close();
#if HAVE_FOPEN64
fptr = fopen64(QFile::encodeName(file),mode.ascii());
#else
fptr = fopen(QFile::encodeName(file),mode.ascii());
#endif
return fptr != 0;
}
void File::close()
{
if (fptr)
{
fclose(fptr);
fptr = 0;
}
}
void File::flush()
{
if (fptr)
fflush(fptr);
}
Uint32 File::write(const void* buf,Uint32 size)
{
if (!fptr)
return 0;
Uint32 ret = fwrite(buf,1,size,fptr);
if (ret != size)
{
if (errno == ENOSPC)
Out() << "Disk full !" << endl;
throw Error(i18n("Cannot write to %1 : %2").arg(file).arg(strerror(errno)));
}
return ret;
}
Uint32 File::read(void* buf,Uint32 size)
{
if (!fptr)
return 0;
Uint32 ret = fread(buf,1,size,fptr);
if (ferror(fptr))
{
clearerr(fptr);
throw Error(i18n("Cannot read from %1").arg(file));
}
return ret;
}
Uint64 File::seek(SeekPos from,Int64 num)
{
// printf("sizeof(off_t) = %i\n",sizeof(__off64_t));
if (!fptr)
return 0;
int p = SEEK_CUR; // use a default to prevent compiler warning
switch (from)
{
case BEGIN : p = SEEK_SET; break;
case END : p = SEEK_END; break;
case CURRENT : p = SEEK_CUR; break;
default:
break;
}
#if HAVE_FSEEKO64
fseeko64(fptr,num,p);
return ftello64(fptr);
#else
fseeko(fptr,num,p);
return ftello(fptr);
#endif
}
bool File::eof() const
{
if (!fptr)
return true;
return feof(fptr) != 0;
}
Uint64 File::tell() const
{
if (!fptr)
return 0;
return ftello(fptr);
}
QString File::errorString() const
{
return QString(strerror(errno));
}
}
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